8 predictions of how many people will sign up for Obamacare this year

For health care wonks, it's the ultimate office pool: How many people will sign up for Obamacare? Since last year, analysts from the government, industry groups and think tanks have made their predictions of exactly how many people will sign up for health insurance under the law this year. The numbers matter because they are the best indicator that we'll have for a while of how well the law is doing. In the long run, though, official data on the …